Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Wu Zhangjin | 974 | 99.80% | 3 | 75.00% |
Thomas Gleixner | 2 | 0.20% | 1 | 25.00% |
Total | 976 | 4 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * the IDE Virtual Support Module of AMD CS5536 * * Copyright (C) 2007 Lemote, Inc. * Author : jlliu, liujl@lemote.com * * Copyright (C) 2009 Lemote, Inc. * Author: Wu Zhangjin, wuzhangjin@gmail.com */ #include <cs5536/cs5536.h> #include <cs5536/cs5536_pci.h> void pci_ide_write_reg(int reg, u32 value) { u32 hi = 0, lo = value; switch (reg) { case PCI_COMMAND: _rdmsr(GLIU_MSR_REG(GLIU_PAE), &hi, &lo); if (value & PCI_COMMAND_MASTER) lo |= (0x03 << 4); else lo &= ~(0x03 << 4); _wrmsr(GLIU_MSR_REG(GLIU_PAE), hi, lo); break; case PCI_STATUS: if (value & PCI_STATUS_PARITY) { _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); if (lo & SB_PARE_ERR_FLAG) { lo = (lo & 0x0000ffff) | SB_PARE_ERR_FLAG; _wrmsr(SB_MSR_REG(SB_ERROR), hi, lo); } } break; case PCI_CACHE_LINE_SIZE: value &= 0x0000ff00; _rdmsr(SB_MSR_REG(SB_CTRL), &hi, &lo); hi &= 0xffffff00; hi |= (value >> 8); _wrmsr(SB_MSR_REG(SB_CTRL), hi, lo); break; case PCI_BAR4_REG: if (value == PCI_BAR_RANGE_MASK) { _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); lo |= SOFT_BAR_IDE_FLAG; _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); } else if (value & 0x01) { _rdmsr(IDE_MSR_REG(IDE_IO_BAR), &hi, &lo); lo = (value & 0xfffffff0) | 0x1; _wrmsr(IDE_MSR_REG(IDE_IO_BAR), hi, lo); value &= 0xfffffffc; hi = 0x60000000 | ((value & 0x000ff000) >> 12); lo = 0x000ffff0 | ((value & 0x00000fff) << 20); _wrmsr(GLIU_MSR_REG(GLIU_IOD_BM2), hi, lo); } break; case PCI_IDE_CFG_REG: if (value == CS5536_IDE_FLASH_SIGNATURE) { _rdmsr(DIVIL_MSR_REG(DIVIL_BALL_OPTS), &hi, &lo); lo |= 0x01; _wrmsr(DIVIL_MSR_REG(DIVIL_BALL_OPTS), hi, lo); } else { _rdmsr(IDE_MSR_REG(IDE_CFG), &hi, &lo); lo = value; _wrmsr(IDE_MSR_REG(IDE_CFG), hi, lo); } break; case PCI_IDE_DTC_REG: _rdmsr(IDE_MSR_REG(IDE_DTC), &hi, &lo); lo = value; _wrmsr(IDE_MSR_REG(IDE_DTC), hi, lo); break; case PCI_IDE_CAST_REG: _rdmsr(IDE_MSR_REG(IDE_CAST), &hi, &lo); lo = value; _wrmsr(IDE_MSR_REG(IDE_CAST), hi, lo); break; case PCI_IDE_ETC_REG: _rdmsr(IDE_MSR_REG(IDE_ETC), &hi, &lo); lo = value; _wrmsr(IDE_MSR_REG(IDE_ETC), hi, lo); break; case PCI_IDE_PM_REG: _rdmsr(IDE_MSR_REG(IDE_INTERNAL_PM), &hi, &lo); lo = value; _wrmsr(IDE_MSR_REG(IDE_INTERNAL_PM), hi, lo); break; default: break; } } u32 pci_ide_read_reg(int reg) { u32 conf_data = 0; u32 hi, lo; switch (reg) { case PCI_VENDOR_ID: conf_data = CFG_PCI_VENDOR_ID(CS5536_IDE_DEVICE_ID, CS5536_VENDOR_ID); break; case PCI_COMMAND: _rdmsr(IDE_MSR_REG(IDE_IO_BAR), &hi, &lo); if (lo & 0xfffffff0) conf_data |= PCI_COMMAND_IO; _rdmsr(GLIU_MSR_REG(GLIU_PAE), &hi, &lo); if ((lo & 0x30) == 0x30) conf_data |= PCI_COMMAND_MASTER; break; case PCI_STATUS: conf_data |= PCI_STATUS_66MHZ; conf_data |= PCI_STATUS_FAST_BACK; _rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo); if (lo & SB_PARE_ERR_FLAG) conf_data |= PCI_STATUS_PARITY; conf_data |= PCI_STATUS_DEVSEL_MEDIUM; break; case PCI_CLASS_REVISION: _rdmsr(IDE_MSR_REG(IDE_CAP), &hi, &lo); conf_data = lo & 0x000000ff; conf_data |= (CS5536_IDE_CLASS_CODE << 8); break; case PCI_CACHE_LINE_SIZE: _rdmsr(SB_MSR_REG(SB_CTRL), &hi, &lo); hi &= 0x000000f8; conf_data = CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE, hi); break; case PCI_BAR4_REG: _rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo); if (lo & SOFT_BAR_IDE_FLAG) { conf_data = CS5536_IDE_RANGE | PCI_BASE_ADDRESS_SPACE_IO; lo &= ~SOFT_BAR_IDE_FLAG; _wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo); } else { _rdmsr(IDE_MSR_REG(IDE_IO_BAR), &hi, &lo); conf_data = lo & 0xfffffff0; conf_data |= 0x01; conf_data &= ~0x02; } break; case PCI_CARDBUS_CIS: conf_data = PCI_CARDBUS_CIS_POINTER; break; case PCI_SUBSYSTEM_VENDOR_ID: conf_data = CFG_PCI_VENDOR_ID(CS5536_IDE_SUB_ID, CS5536_SUB_VENDOR_ID); break; case PCI_ROM_ADDRESS: conf_data = PCI_EXPANSION_ROM_BAR; break; case PCI_CAPABILITY_LIST: conf_data = PCI_CAPLIST_POINTER; break; case PCI_INTERRUPT_LINE: conf_data = CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_IDE_INTR); break; case PCI_IDE_CFG_REG: _rdmsr(IDE_MSR_REG(IDE_CFG), &hi, &lo); conf_data = lo; break; case PCI_IDE_DTC_REG: _rdmsr(IDE_MSR_REG(IDE_DTC), &hi, &lo); conf_data = lo; break; case PCI_IDE_CAST_REG: _rdmsr(IDE_MSR_REG(IDE_CAST), &hi, &lo); conf_data = lo; break; case PCI_IDE_ETC_REG: _rdmsr(IDE_MSR_REG(IDE_ETC), &hi, &lo); conf_data = lo; break; case PCI_IDE_PM_REG: _rdmsr(IDE_MSR_REG(IDE_INTERNAL_PM), &hi, &lo); conf_data = lo; break; default: break; } return conf_data; }
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